diff --git a/0137-reduce-pbuf-pool-size.patch b/0137-reduce-pbuf-pool-size.patch
new file mode 100644
index 0000000000000000000000000000000000000000..0ff2f9da0d2483d4a5b655714c7e0c2340d7f28b
--- /dev/null
+++ b/0137-reduce-pbuf-pool-size.patch
@@ -0,0 +1,44 @@
+From 98e846b1bc4f4c304bd08dbce0d92467f01a4196 Mon Sep 17 00:00:00 2001
+From: jiangheng <jiangheng14@huawei.com>
+Date: Thu, 13 Jun 2024 08:57:50 +0800
+Subject: [PATCH] reduce pbuf pool size
+
+---
+ src/core/init.c        | 4 ++++
+ src/include/lwipopts.h | 2 +-
+ 2 files changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/src/core/init.c b/src/core/init.c
+index c0aaf45..821c6c7 100644
+--- a/src/core/init.c
++++ b/src/core/init.c
+@@ -321,9 +321,13 @@ PACK_STRUCT_END
+ #if !MEMP_MEM_MALLOC && PBUF_POOL_SIZE && (PBUF_POOL_BUFSIZE <= (PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN))
+ #error "lwip_sanity_check: WARNING: PBUF_POOL_BUFSIZE does not provide enough space for protocol headers. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
+ #endif
++
++#if !GAZELLE_ENABLE
+ #if !MEMP_MEM_MALLOC && PBUF_POOL_SIZE && (TCP_WND > (PBUF_POOL_SIZE * (PBUF_POOL_BUFSIZE - (PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN))))
+ #error "lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE * (PBUF_POOL_BUFSIZE - protocol headers). If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
+ #endif
++#endif
++
+ #if TCP_WND < TCP_MSS
+ #error "lwip_sanity_check: WARNING: TCP_WND is smaller than MSS. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
+ #endif
+diff --git a/src/include/lwipopts.h b/src/include/lwipopts.h
+index 4655388..cb3154a 100644
+--- a/src/include/lwipopts.h
++++ b/src/include/lwipopts.h
+@@ -134,7 +134,7 @@
+ 
+ #define MEMP_NUM_SYS_MBOX (GAZELLE_MAX_CLIENTS + GAZELLE_RESERVED_CLIENTS)
+ 
+-#define PBUF_POOL_SIZE (GAZELLE_MAX_CLIENTS * 2)
++#define PBUF_POOL_SIZE (1024)
+ 
+ /* we use PBUF_POOL instead of PBUF_RAM in tcp_write, so reduce PBUF_RAM size,
+  * and do NOT let PBUF_POOL_BUFSIZE less then TCP_MSS
+-- 
+2.33.0
+
diff --git a/lwip.spec b/lwip.spec
index 20b6d2a7c2e41f5b1d6301f38da300d9fa128304..46a5628773dc99800d7490dc3a4327bab425743b 100644
--- a/lwip.spec
+++ b/lwip.spec
@@ -4,7 +4,7 @@
 Summary: lwip is a small independent implementation of the TCP/IP protocol suite
 Name:    lwip
 Version: 2.2.0
-Release: 29
+Release: 30
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.zip
@@ -148,6 +148,7 @@ Patch9132:  0133-allow-membership-to-register-multiple-times.patch
 Patch9133:  0134-mod-checksum-of-ip_hdr-and-udp_hdr.patch
 Patch9134:  0135-change-STAT_COUNTER-from-u16-to-u64.patch
 Patch9135:  0136-fix-vlan-filter-bug.patch
+Patch9136:  0137-reduce-pbuf-pool-size.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -177,6 +178,9 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Fri Jun 14 2024 jiangheng <jiangheng14@huawei.com> - 2.2.0-30
+- reduce pbuf pool size
+
 * Fri May 24 2024 zhengjiebing <zhengjiebing@cmss.chinamobile.com> - 2.2.0-29
 - fix vlan filter bug